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Peterborough Postal Codes: K0L to L0A 1C0 | Ontario

Postal Codes for Peterborough range from K0L to L0A 1C0 in Ontario, Canada. To find exact Postal Codes and postcodes within Peterborough, choose from the districts below.

Postal Codes for Places in Peterborough

Showing 31 places in Peterborough. Last verified with official records on May 2, 2026.

Apsley
Asphodel-Norwood
Bailieboro
Bethany
Bridgenorth
Buckhorn
Cavan
Cavan Monaghan
Curve Lake
Douro-Dummer
Ennismore
Fraserville
Havelock
Hbmtwp
Hiawatha
Indian River
Juniper Island
Keene
Lakefield
Lakehurst
Millbrook
North Kawartha
Norwood
Otonabee
Peterborough
Selwyn
Trent Lakes
Warsaw
Westwood
Woodview
Youngs Point

Sample Address Format for Peterborough

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Peterborough, Ontario, K0L
CANADA

Peterborough on the Map

The map above highlights the geographic boundaries of the Peterborough districts in Canada.

Peterborough Quick Facts

CountryCanada (CA)
Administrative PathCanada β†’ Ontario
Postal CodeK0L~L0A 1C0
ProvinceOntario
ISO CodesCA / CAN / 124
Top-level domain (ccTLD).ca
Coordinates44.304801, -78.31995
Places31

What to Know About Peterborough

Key Facts

Peterborough is a city located in Central Ontario, Canada, serving as the county seat of Peterborough County. Situated approximately 125 kilometers northeast of Toronto on the Otonabee River, this vibrant urban center functions as the economic and cultural hub for the surrounding region known as the Kawarthas. With a population of approximately 83,000 residents within the city proper and over 138,000 in the broader census metropolitan area, Peterborough spans an area of roughly 64 square kilometers. The city is organized into several distinct neighborhoods and wards, including the downtown core, East City, and various suburban developments. Peterborough's strategic location along the Trent-Severn Waterway has historically contributed to its development as an important transportation and industrial center. Today, the city is home to Trent University and Fleming College, making education a significant component of the local economy alongside manufacturing and healthcare. For those seeking postal code information for Peterborough's various neighborhoods and surrounding communities, comprehensive details are available to facilitate mail delivery and location-based services throughout this important Ontario municipality.

Neighboring Regions

  • Cavan-Monaghan
  • Selwyn
  • Otonabee-South Monaghan
  • Douro-Dummer
  • Trent Lakes

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